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Katagai surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Wednesday 26 Nov 2025 JSTForecast update in hr min s Forecast update imminent
Katagai surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Katagai sea temperature is
16.1° C
(Which is 4.3°C colder than average for this time of year)How big are the waves at Katagai today?
The current surf forecast for Katagai at 7PM is: 0.6m 9s primary swell from a East-southeast direction and 0.2m 14s secondary swell from a East direction, 0.7m 5s secondary swell from a Northeast direction (forecast issued at 02:00pm November 26). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Nov) | - | - |
| Afternoon (26 Nov) | 2ft (0.6m) | 8s |
| Evening (26 Nov) | 2.5ft (0.8m) | 6s |
Table - waves today at Katagai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||||||||
| 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 6 | 6 | 6 | 7 | 9 | 9 | 7 | 9 | 9 | 9 | 5 | 6 | 7 | 8 | 9 | 11 | 12 | 12 | 12 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 62 | 47 | 48 | 40 | 49 | 91 | 88 | 42 | 43 | 54 | 74 | 99 | 74 | 56 | 83 | 147 | 130 | 73 | 30 | 72 | 82 | 79 | 40 | 172 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | on | on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:08PM 1.26 | 9:52AM 1.17 | 7:01PM 1.15 | 10:44AM 1.19 | 8:38PM 1.04 | |||||||||||||||||||
Low Tide / height (m) | 1:12PM 1.03 | 2:01AM 0.33 | 2:37PM 1.02 | 2:54AM 0.42 | 4:24PM 0.94 | 3:57AM 0.53 | ||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:26 |
| Sunset | - | 4:25 | - | - | - | - | - | - | - | 4:25 | - | - | - | - | - | - | - | 4:25 | - | - | - | - | - | - |
 | |  | | | | | |  |  |  |  |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 2 | - | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 17 | 15 | 14 | 14 | 14 | 14 | 15 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 17 | 18 | 15 | 13 | 12 | 11 | 10 | 11 |
| Feels °C (?) | 12 | 12 | 9 | 9 | 10 | 11 | 11 | 13 | 12 | 13 | 11 | 11 | 12 | 11 | 12 | 10 | 11 | 12 | 9 | 9 | 8 | 7 | 6 | 7 |
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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